[Mailman-Users] Excessive bounces to list members on my list

Mark Sapiro mark at msapiro.net
Wed Apr 30 01:32:18 CEST 2014

On 04/29/2014 01:25 PM, Joseph Brennan wrote:
> I think Gmail is doing the same.  It's a touch evil to make mail from
> aol and yahoo less deliverable than your own... but it's what they asked
> for.

Gmail is honoring DMARC p=reject, but they have some magic for not
applying it to mail from some lists. How they recognize list mail is
probably a trade secret.

They are also rewriting From: headers in outgoing googlegroups posts
whose original From: address is in a domain with DMARC p=reject.

Mark Sapiro <mark at msapiro.net>        The highway is for gamblers,
San Francisco Bay Area, California    better use your sense - B. Dylan

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